package com.mall.mall.order.web;

import com.mall.common.exception.NoStockException;
import com.mall.mall.order.service.OrderService;
import com.mall.mall.order.vo.OrderConfirmVO;
import com.mall.mall.order.vo.OrderSubmitVO;
import com.mall.mall.order.vo.SubmitOrderResponseVO;
import org.bouncycastle.math.raw.Mod;
import org.springframework.aop.config.AopConfigUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {

    @Autowired
    OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVO confirmOrder = orderService.confirmOrder();
        model.addAttribute("orderConfirmData", confirmOrder);
        return "confirm";
    }

    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVO vo, Model model, RedirectAttributes redirectAttributes){
//        // 创建订单、验证令牌、验价格、锁库存
//        // 下单成功来到支付选择页
//        // 下单失败回到订单确认页重新确认订单信息
//        SubmitOrderResponseVO responseVO = orderService.submitOrder(vo);
//        System.out.println(vo);
//        if (0 == responseVO.getCode()){
//            // 下单成功，跳转到支付选择页
//            model.addAttribute("submitOrderResp", responseVO);
//            return "pay";
//        }else {
//            String msg = "";
//            switch (responseVO.getCode()){
//                case 1: msg += "订单信息过期，请刷新再次提交"; break;
//                case 2: msg += "订单商品价格发生变化，请确认后再次提交";break;
//                case 3: msg += "库存锁定失败，商品库存不足";
//            }
//            redirectAttributes.addFlashAttribute("msg", msg);
//            return "redirect:http://order.wtmall.com/toTrade";
//        }

        try {
            SubmitOrderResponseVO responseVo = orderService.submitOrder(vo);
            //下单成功来到支付选择页
            //下单失败回到订单确认页重新确定订单信息
            if (responseVo.getCode() == 0) {
                //成功
                model.addAttribute("submitOrderResp",responseVo);
                return "pay";
            } else {
                String msg = "下单失败";
                switch (responseVo.getCode()) {
                    case 1: msg += "令牌订单信息过期，请刷新再次提交"; break;
                    case 2: msg += "订单商品价格发生变化，请确认后再次提交"; break;
                    case 3: msg += "库存锁定失败，商品库存不足"; break;
                }
                redirectAttributes.addFlashAttribute("msg",msg);
                return "redirect:http://order.wtmall.com/toTrade";
            }
        } catch (Exception e) {
            if (e instanceof NoStockException) {
                String message = ((NoStockException)e).getMessage();
                redirectAttributes.addFlashAttribute("msg",message);
            }
            return "redirect:http://order.wtmall.com/toTrade";
        }
    }

}
